CircleHard

Question

The point diametrically opposite to the point P(1, 0) on the circle x2 + y2 + 2x + 4y - 3 = 0 is

Options

A.(3, - 4)
B.(- 3, 4)
C.(- 3, -4)
D.(3, 4)

Solution

Centre (-1, -2)
Let (α, β) is the required point
= - 1 and = - 2.

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